Home / 156,944.90-235,417.35-137,261.90

Finding the Fourth Proportional to 156,944.90, 235,417.35 and 137,261.90

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Solution

The fourth proportional to 156,944.90, 235,417.35 and 137,261.90 is: 205,892.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,944.90 : 235,417.35 = 137,261.90 : x
  2. Step 2: Convert to fraction form
    156,944.90/235,417.35 = 137,261.90/x
  3. Step 3: Cross multiply
    156,944.90x = 235,417.35 × 137,261.90
  4. Step 4: Simplify right side
    156,944.90x = 32,313,832,753.97
  5. Step 5: Solve for x
    x = 32,313,832,753.97/156,944.90
  6. Step 6: Final answer
    x = 205,892.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.